1953223 has 4 divisors (see below), whose sum is σ = 1956040. Its totient is φ = 1950408.

The previous prime is 1953167. The next prime is 1953233. The reversal of 1953223 is 3223591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1953223 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 5⁹ + 3³ + 2 + 2⁵ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448 + ... + 2026.

It is an arithmetic number, because the mean of its divisors is an integer number (489010).

2^1953223 is an apocalyptic number.

1953223 is a deficient number, since it is larger than the sum of its proper divisors (2817).

1953223 is a wasteful number, since it uses less digits than its factorization.

1953223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its digits is 1620, while the sum is 25.

The square root of 1953223 is about 1397.5775470435. The cubic root of 1953223 is about 125.0020906317.

The spelling of 1953223 in words is "one million, nine hundred fifty-three thousand, two hundred twenty-three".